Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2023 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 02/26/2023   10:39:33   (  -0.00,-136.99) (   0.31,-138.35)  154.56                80
 02/27/2023   10:18:08   (  -0.00,-136.98) (  -0.72,-133.82)  360.62                80
 02/28/2023   22:40:05   (   0.01,-136.96) (  -0.47,-139.13)  246.78                80
 03/01/2023   22:24:00   (   0.01,-136.95) (   0.56,-134.60)  268.08                80
 03/03/2023   10:43:07   (  -0.01,-136.93) (   0.63,-139.87)  334.55                80
 03/04/2023   10:27:02   (  -0.02,-136.92) (  -0.34,-135.33)  180.10                80
 03/05/2023   22:46:18   (   0.02,-136.89) (  -0.83,-140.64)  428.02                80
 03/06/2023   22:30:14   (   0.02,-136.87) (   0.21,-136.12)   86.54                80
 03/09/2023   10:30:36   (  -0.02,-136.83) (  -0.00,-136.85)    2.42                80
 03/11/2023   22:33:47   (   0.02,-136.77) (  -0.16,-137.63)   97.57                80